The stock market has spent much of 2026 acting like geopolitical risk is just background noise. The S&P 500 keeps pushing toward record highs, AI spending remains red hot, and investors have largely shrugged off the widening conflict involving Iran. But what if Tehran found a pressure point far more dangerous than oil tankers?
That’s the question investors may soon need to answer. Reports circulating through Iranian Revolutionary Guard-linked media outlets suggest Iran is exploring ways to assert control over the undersea internet cables running through the Strait of Hormuz — a move that could threaten digital commerce, AI infrastructure, and trillions of dollars in financial activity directly tied to President Trump’s economy.
Iran May Be Targeting the World’s Digital Arteries
Most investors understand the Strait of Hormuz matters because roughly 20% of global oil shipments pass through it, according to the U.S. Energy Information Administration. But surprisingly, the strait also carries a huge portion of the world’s internet infrastructure.
TeleGeography estimates about 17% of global internet traffic moves through subsea cables crossing the region. Meanwhile, industry data cited by Reuters shows between 95% and 99% of internet traffic serving Gulf states depends on those cable systems.
That just shows how the modern economy runs through Hormuz in more ways than one.
IRGC-affiliated media reports suggest Iran could begin treating those cables as sovereign infrastructure assets. The proposals reportedly include:
- Requiring permits for cable repairs
- Charging transit or maintenance fees
- Giving Iranian firms oversight authority
- Demanding technical participation in cable management
- Potentially restricting emergency repair access during conflicts
Granted, Iran does not “own” the cables outright. Most are operated by multinational consortiums involving telecom companies and hyperscale cloud providers. But Iran could attempt to assert jurisdiction over waters near its coastline or use military pressure to enforce compliance.
That changes the risk calculation for investors.
Why Wall Street Should Care About 17% of Internet Traffic
At first glance, 17% may not sound catastrophic. After all, the internet reroutes traffic constantly. But the economic importance of these cables goes far beyond browsing speeds or streaming videos.
According to the U.S. Treasury Department and SWIFT banking data, more than $10 trillion in daily financial transactions rely on subsea cable connectivity globally. Large portions of Middle East-to-Europe and Asia-to-Europe data routes pass through Hormuz-linked systems.
Microsoft (NASDAQ:MSFT | MSFT Price Prediction), Alphabet‘s (NASDAQ:GOOG)(NASDAQ:GOOGL) Google, and Amazon (NASDAQ:AMZN) have collectively committed billions of dollars toward AI infrastructure and regional cloud expansion across the Gulf states over the past several years. Those investments depend heavily on uninterrupted cable connectivity linking the Middle East to Europe and Asia.
Here’s what those companies have recently committed:
| Company | Regional AI/Data Center Investments |
| Microsoft | Multi-billion-dollar UAE and Gulf AI partnerships |
| Alphabet | Expanding Google Cloud and AI operations in Qatar and Saudi Arabia |
| Amazon | AWS Middle East infrastructure expansion worth billions |
These firms are not investing in the Gulf for fun. They’re building AI hubs designed to connect Europe, Asia, and Africa through low-latency infrastructure.
If Iran inserts itself into cable operations, repair approvals, or maintenance scheduling, it creates a new geopolitical choke point for cloud computing and AI deployment. That matters because AI is one of the biggest pillars supporting Trump’s bull market.
Nvidia (NASDAQ:NVDA) alone has added trillions in market value since 2023. The rally across semiconductors, hyperscalers, and power infrastructure companies assumes global data movement remains seamless. Even small disruptions could increase operating costs, slow deployments, and raise concerns about infrastructure vulnerability.
Regardless of how you look at it, markets hate uncertainty surrounding critical infrastructure.
Trump Would Likely Respond Aggressively
President Trump has repeatedly warned Iran against threatening commercial shipping lanes. If Tehran attempts to assert operational control over subsea internet cables, the White House would likely view it as economic warfare.
Possible responses could include:
- Expanded sanctions targeting Iranian telecom or maritime entities
- U.S. naval escorts for repair ships
- Cyber retaliation against Iranian infrastructure
- Secondary sanctions against firms complying with Iranian rules
- Accelerated investment in alternative cable routes bypassing Hormuz
That said, every escalation carries economic consequences.
Oil prices already remain elevated because of conflict fears. Brent crude sits above $100 per barrel during regional flareups earlier this year. If tensions expand from energy shipping into internet infrastructure, markets may begin pricing in a wider disruption to global commerce.
Higher oil prices feed inflation. Digital bottlenecks slow trade, cloud computing, and financial activity. Together, they create the kind of stagflationary setup the Federal Reserve fears most — weaker growth combined with rising costs.
For investors, that could pressure many of the same technology stocks driving the current rally.
Key Takeaway
In short, Iran’s reported interest in asserting control over subsea internet cables may sound obscure, but the economic implications are very real. The Strait of Hormuz is no longer just an oil chokepoint. It’s increasingly a digital chokepoint too.
If Tehran attempts to charge fees, delay repairs, or insert state-linked firms into cable operations, it could threaten trillions in financial flows and complicate billions in AI investments from some of America’s largest companies.
And if Trump responds forcefully — which seems likely — investors could face another surge in oil prices, rising geopolitical tensions, and fresh volatility across technology and financial markets.
When all is said and done, the biggest risk here may not be whether Iran can fully control the cables. It’s that global markets suddenly realize how fragile the digital backbone of the economy really is.